THERAPEUTICS — treatment and care of a patient for the purpose of both preventing and combating disease or alleviating pain or injury. …Britannica English vocabulary

GEOCHRONOLOGY — scientific study concerned with the sequence of geologic events in the history of the Earth. Geologic history provides a conceptual …Britannica English vocabulary

ATMOSPHERE — gaseous envelope that surrounds the Earth. Other planets of the solar system, as well as a few of the large …Britannica English vocabulary

YEAR IN REVIEW 1999: ECOTOURISM — Ecotourism: The New Face of Travel by Carla Hunt The latest trend in tourism is travel that combines preserving the …Britannica English vocabulary

YEAR IN REVIEW 1997: ENVIRONMENT — BOTANICAL GARDENS The development of international policies to harmonize the responses to the Convention on Biological Diversity (CBD) dominated the …Britannica English vocabulary

YEAR IN REVIEW 1996: NOBEL-PRIZES — Prize for Chemistry The 1995 Nobel Prize for Chemistry was awarded to Paul Crutzen, a Dutch citizen with the Max …Britannica English vocabulary